CNN New Day May 13, 2015 11:30:00
Because offin encryption. we're trying to find needles in the haystack and the needles are going dark and it's because of this phenomenon we can't track their movements. now, the two cases in garland fortunately we were able to track over the internet. it's textbook law enforcement at its best. we relayed the information to the garland police. they were waiting for the individuals. then they stopped them. but when their encrypt goes dark we can't track them here in the united states. this is sort of a new phenomenon where they're using the internet as a weapon. >> what do we do about that dark...
Source: archive.org